In a large mixing bowl, beat the cream cheese, water, onion powder, cumin, salt and pepper until smooth. Stir in chicken.
Place 1/4 cup down the center of each tortilla. Roll up and place seam side down in two greased 13-in. x 9-in. x 2-in. baking dishes. In a bowl, combine the soup, sour cream, milk and chilies; pour over enchiladas.
Bake, uncovered, at 350° for 30-40 minutes or until heated through. Sprinkle with cheddar cheese; bake 5 minutes longer or until cheese is melted. Yield: 10 servings.