Preheat oven to 350º F. Spray a 9x13-inch baking dish with cooking spray.
Prepare Rice-A-Roni according to package directions. Add soup, sour cream, cottage cheese, cream cheese, onion powder, garlic powder, and chicken. Stir to combine.
Spread rice mixture into prepared pan. Top rice with parmesan cheese and fried onions.
Bake uncovered for 30 minutes.
