Preheat oven to 350 F. Place chicken in bottom of 3-quart rectangular baking dish.
In large bowl combine broccoli,rice and peas.
Spread mixture over the chicken.
In medium bowl combine cream of chicken soup, nacho cheese soup, diced tomatoes, milk, and crushed red pepper.
Stir in 1/4 cup of the cheddar cheese and 1/4 cup of the mozzarella cheese.
Pour mixture over broccoli mixture in baking dish.
Sprinkle crushed crackers evenly over all.
Top with remaining cheddar and mozzarella Cheeses.
Bake, uncovered, 35 to 40 minutes or until topping is golden.
*If you do not have leftover rice, cook 3/4 cup long grain white rice or brown rice in 1 1/3 cups boiling water for 15 minutes.(40 minutes for brown rice) or until water is absorbed