Inappropriately tocuhed by my uncle

I really just need to get this off my chest. I woke up this morning from a bad dream where my uncle raped me in my dream. I feel like this is the cause... So I go to Mexico very often during school breaks. I love going, it's one of my favorite places. However, last year when my uncle picked us (my dad and I) up from the airport he started acting really weird. He sat next to me, which I thought was really weird because I never liked him and barely talk to him. He is my mom's brother and he nothing like her but she loves him to death. Anyways, I sat next to the window and just stared off. I started feeling his hand on my leg. It was a pat at first. But the he just rested his hand on my it. It moved slowly up my leg and ended up on my thigh. He kept playing with my legs nonstop. I tried moving it away but he didn't stop. I didn't know what to do. I was so appalled. Every time I see him I feel so weird around him. I avoid going to his house or talking to him. I'm worried next time I see him he could do something worse... I'm a strong believer in signs from dreams. Please don't nag at me and ask why I didn't say anything to my parentd. don't know why I kept quiet about this. I just never saw this coming. I also don't know if my mom would believe me, she knows I've always hated him. I just wanted to tell someone what happened. Sorry.