Directions:

Preheat Oven: Preheat to 375°F (190°C).
Cook Bacon: If using raw, cook until crispy and chop.
Make Sauce: Melt butter in a saucepan. Stir in flour, then gradually whisk in milk until thickened. Remove from heat and mix in ranch dressing, salt, and pepper.
Combine Ingredients: In a bowl, mix chicken, bacon, and half of the cheese. Pour in the ranch sauce and stir.
Layer Tater Tots: In a greased 9×13-inch baking dish, spread tater tots, then top with chicken mixture.
Add Cheese: Sprinkle remaining cheese on top.
Bake: Bake for 30-35 minutes until bubbly and golden brown.
Serve: Let cool slightly before serving.