So i really like him, and i asked him to a sadie hawkins dance. What do i do now?

Ok so we are pretty good friends, and he said yes, but idk if its just as friends or more. I am going to have a good time. But like idk how to dance with him, like grinding i dont think would be the best idea with him. But idk. And for slow dancing im not sure how to be with him. What should i do!!!? any advice?