Chicken casserole (with zucchini)

4-5 chicken breasts cut into strips
16 oz. sour cream
2 cans cream of chicken
1 cup cheese
1/2 cup milk
1/2 onion chopped
1-2 cups diced zucchini (optional)
salt/pepper to taste
1 box stuffing mix

Put chicken strips in the bottom of 9X13 pan. Mix sour cream, cream of chicken, cheese, milk, onion, zucchini, salt, and pepper together. Pour mixture on chicken. Top with dry stuffing. Bake at 350 for 45-55 minutes. We like to put it over rice.