Hobo Casserole Rustic Campfire Beef and Potato Casserole

Ingredients:

1 lb Lean Ground Beef
1 Small Yellow Onion, diced
4 Medium Russet Potatoes, peeled and sliced
8 oz Cheddar Cheese, grated
1 10 oz Can Cream of Chicken Soup
1 10 oz Can Cream of Potato Soup
1 teaspoon Worcestershire Sauce
¼ Cup Milk