ANOTHER INDIE SLEEPER: CHA CHA REAL SMOOTH

I wasn’t sure what to make of a movie called Cha Cha Real Smooth, but when I learned that it won the Audience Award at this year’s Sundance Film Festival it earned my attention. Now I’m a proselytizer for the film and its talented writer-director-star Cooper Raiff. It’s well worth seeking out as it debuts Friday on Apple TV+. Raiff’s small-town protagonist isn’t easily described. At the age of 22 he’s still living at home with his mom (the wonderful Leslie Mann) and searching for his path in life. He’s a people-pleaser who has a facility for getting a party going and manages to turn that into a job. Then he meets a gangly, autistic teenage girl (Vanessa Burghardt) and reaches out to help her, mainly…