Sour Cream Chili Bake

1 pound ground turkey or lean ground beef
1 (15 ounce) can pinto beans, drained
1 (10 ounce) can enchilada sauce
1 can tomato sauce
1 cup shredded Cheddar cheese
1 onion, chopped
1 cup water
4 cups corn chips (optional)
1 cup sour cream
1/2 cup shredded Cheddar cheese

Brown ground meat with onion.

Transfer meat to crock pot. Stir in beans, enchilada sauce, tomato sauce, the 1 cup cheese, onion and water. Reserve 1 cup of corn chips. Crush the remaining 3 cups corn chips and add to the meat mixture. Cover and cook on LOW for 8 to 10 hours.

To serve, top with sour cream, remaining cheese and reserved corn chips.