Casserole de Taco en Marchant

Ingredients :

1 1⁄2 pounds Ground Beef
1⁄3 large Onion, chopped
1 can Green Chilies, small can
1 can Enchilada Sauce
2 ounces Cream Cheese
1 bag Fritos Corn Chips
1 bag Shredded Cheese
3⁄4 cup Lettuce, shredded
1⁄2 cup Tomato, fresh, diced
16 ounces Salsa
8 ounces Sour Cream