Your kid seems exactly like my daughter (who turned 4 a week ago). Does your kids still struggle with speech? I signed up my daughter for a psychological+speech evaluation tomorrow, and was surprised when many of the psychologist's initial questions hinted on autism diagnosis - after I made it repeatedly clear in several questionnaires that she doesn't meet the standard criteria (very social, elaborate pretend play, no stimming ...).
Thanks! We're just beginning the IEP journey, I've seldom heard a good thing about the committee. Parenthood is full of surprises - not so long ago, I've thought of myself as a seasoned parent, having two older kids. ¯\_(ツ)_/¯