Spray 13x9-inch (3-quart) glass baking dish with cooking spray. In 12-inch nonstick skillet, cook rice and vermicelli with butter over medium heat until rice mixture is golden brown, stirring frequently. Stir in water and seasoning mix from rice box. Heat to boiling. Cover; reduce heat to low. Cook 15 to 20 minutes or until rice mixture is tender. Stir in 1/2 cup of the enchilada sauce, the pinto beans and corn.