Broccoli Rice Casserole

1 small onion, minced
1/2 stick margarine (or butter)
1 pkg. frozen chopped broccoli
1/2 c. Cheeze Whiz (or Velveeta or other cheese, cut up)
1/2 c. water
1 can cream of chicken soup
1 c. Minute Rice

Sauté onion in butter or margarine. Cook broccoli as usual. Mix other ingredients together and mix altogether, bake in a 350° oven for 45 minutes. Crushed cracker crumbs make a nice topping.