1Heat oven to 350°F. Lightly oil 13x9-inch (3-quart) glass baking dish with cooking spray.
2In large bowl, combine shredded chicken, enchilada sauce, chiles, 1/2 cup of Monterey Jack cheese and 1/2 cup of the Cheddar cheese. Pour into baking dish. Top with remaining cheeses.
3Bake about 20 minutes or until bubbly around edges. Cool 5 minutes before serving with tortilla chips.