Broccoli, Rice, Cheese, and Chicken Casserole

Ingredients

2 cups water

2 cups uncooked rice

1 -10 ounce can of cream of chicken soup

1-10 ounce can of cream of mushroom soup

2 cups of cooked chicken, shredded

¼ cup butter

1 cup of milk

1 small white onion

16 ounces broccoli pieces

2 cups Cheddar Cheese, shredded