Nacho Chicken Casserole

1 can cream of mushroom soup
1 can cream of chicken soup
1 can Ro-Tel tomatoes, diced
1 large can chunk chicken
1 regular size bag tortilla chips, divided
1 onion, diced
1/2 pound processed cheese, cubed

Mix soups, ,tomatoes, chicken, 1/2 bag tortilla chips, onion and cheese in a casserole dish. Bake at 350 degrees F for 45 minutes.

After 35 minutes, crush remaining tortilla chips and put on top. Bake for the final 10 minutes.