Myth- Autistic people are intellectually disabled.
Most autistic people have normal or even above average IQ's. They simply learn in different ways, and sometimes at a different pace. Often they are brilliant with numbers or artistic abilities.
My son is great with artistic skills. He could draw better than me at age 3 :) He loves music and could build the best skyscraper you've ever seen out of blocks.
What is your child great at?
Reference: Autism Speaks