Taco Hash Brown Casserole

Name: Taco Hash Brown Casserole
Ingredients: 1.5 lbs Ground Beef (or any ground meat that you prefer); 1 Yellow Onion, Diced; 2 tbsp Taco Seasoning; 3/4 Cup Water; 30 oz Bag of Frozen Hash Browns, partially thawed; 10.5 oz Can of Campbell's Cheddar Cheese Soup; 1 Cup Sour Cream; 10 oz Can of Rotel (diced tomatoes and green chilies); 1 tbsp Taco Seasoning; 8 oz Shredded Pepper Jack Cheese (divided in half); 8 oz Shredded Sharp Cheddar Cheese (divided in half); 9.25 oz Bag of Nacho Cheese Doritos (or any flavor you like) (I use about half of it)