Preheat the oven to 350 F. Whisk together 3 cans of evaporated milk with 2- 1 oz packets of ranch seasoning in a saucepan, and simmer until thick.
To this mixture, add the room-temperature cream cheese and stir until smooth.
Assemble the lasagna:
Pour ¾ cup of this sauce into the bottom of a 9x13-inch baking dish.
Layer 3 lasagna noodles over the sauce (make sure the sauce is fully covered)
Sprinkle half of the shredded chicken over the pasta
Add ½ cup of shredded mozzarella and ½ cup shredded cheddar over the chicken
Pour 1 cup of sauce over the cheeses
Repeat the layers
Place a final layer of noodles, sauce, cheeses, and bacon
Cover with foil and bake for 20 mins. Remove the foil and bake for an additional 10 mins or until melted and bubbly. Let it rest for 10 mins before serving.