Chicken & Rice casserole

2 cups cooked rice

8 oz shredded Monterey Jack cheese

1 1/2 cups cooked, chopped chicken breast

12 oz evaporated milk

1/2 cup finely chopped onion

2 large eggs, lightly beaten

1/4 cup chopped cilantro

2 Tbs butter melted

1 Tbs diced jalapeños