Spread the rice in a greased 13x9-in. baking dish. Sprinkle both sides of chicken with garlic salt and pepper; place over rice. In a large bowl, combine the broth, picante sauce, tomato sauce, onion and green pepper; pour over the chicken.
Cover and bake at 350° for 55 minutes or until a thermometer reads 170°. Sprinkle with cheeses. Bake, uncovered, 5 minutes longer or until cheese is melted.