Preheat oven to 350 degrees F. and spray a 9×13-inch baking dish with non-stick cooking spray.
Cook rice according to package directions.
Place chicken, enchilada sauce, olives, tomatoes, sour cream, salt, pepper and cumin into a large bowl, mixing to combine. Pour cooked rice into prepared baking dish and layer beans on top of rice. Pour chicken mixture over rice and top evenly with cheddar cheese.
Bake for 30 to 35 minutes, until cheese is melted and rice is hot.