AITAfor calling my sister a d*ck rider?

I (f21) I am no contact with my mom (58f)because she’s extremely toxic. I consider myself the black sheep of the fam. Last week it was Thanksgiving and they decided to have it at my sister’s house (f25) . I am not super close to that sister because 1. She doesn’t have a personality outside of religion. 2. She doesn’t have a brain of her own and Every time I’ve ever got into it with my mother she is always riding behind my mom without even knowing the story and defending her when clearly my mom is wrong. I don’t go home for the holidays because and haven’t for 3 years because I can’t get along with my mom who is still the same person from my childhood. Me and my sister are cordial and we still talk on the phone a few times a week but it’s always me calling. She never calls me. I’ve told her several times that I don’t like how the whole family plans things without me and they leave me out all the time for the last 3 years. Every time something happens, I only hear from my twin brother who I am closest with. My sister told me it wasn’t personal it was because I live out of state. I know it’s not personal , they just don’t care about me to even think about me to invite me. I’ve told her several times that ever since I’ve moved out they act like I don’t exist and they never keep in contact with me and it’s always the other way around. Anyways sometimes I feel a little lonely on the holidays and only my dad and my twin brother texted and called thanksgiving because they know I feel lonely when they are all together. My other two siblings didn’t but my oldest sister (f37) apologized to me and she called me that same day. I confronted my sister that is 25 about it and told her basically how I don’t appreciate how she continues to act like I don’t exist. and I told her also how I don’t appreciate her not inviting my dad to Thanksgiving for no reason because my dad (m68)is an immigrant and I am first generation American so he doesn’t have any other family here. We are all close to with him and he’s given us EVERYTHING in life and he’s genuinely an amazing person. She told me that she is tired of me being messy and starting drama and that I could’ve called her. I call her at least 3 to 4 times a week and half the time she doesn’t pickup but she never calls Me. She told me the other day that the reason why she didn’t invite my father was because she doesn’t want my mom to be upset since they are divorced . my mom is a really mean person and my dad is extremely nice and he knows how to be cordial. My mom doesn’t know how to be cordial with him. Mind all the only issues they’ve ever had was over money because my mom is a gold digger. But I told her that all she does is d*ckride my mom. It doesn’t matter how my mom treats her she will always do what my mom tells her inside with my mom no matter what. She missed so many opportunities in her life because my mom didn’t want her to do it when my dad did nothing but support her. And I don’t feel like I was wrong because I was just saying how I felt originally. Maybe I’m rude for calling her a d rider but I’m sick of being treated like this. My brother and my ex says that I should just cut them off because he sees how they treat me and he wouldn’t deal with it. AITA?!