Preheat oven to 375 degrees F. Grease 9X13-inch dish.
In a bowl, mix 8 oz cream cheese and 1 cup ranch dressing until smooth. Stir in 3 cups chicken and ¾ cups crumbled bacon
1 cup ranch dressing
In a saucepan, melt 1 tablespoon butter. Whisk in 1 tablespoon flour then 1 ½ cups milk until thickened. Remove from heat. Add 1 teaspoon garlic powder,1 cups mozzarella cheese and ½ cup cheddar cheese Stir until melted.
Assemble: spread a little cheese sauce (from step 2) on dish bottom. Layer 3 lasagna noodles, half the chicken mixture, 1/3 of cheese sauce. Repeat. Finish with noodles and remaining cheese sauce.
Top with remaining ¾ cups crumbled bacon and cheese1 cups mozzarella cheese,½ cup cheddar cheese.
Cover with foil. Bake 20 minutes. Uncover, bake 10-20 minutes more, until bubbly and golden.
Let rest 10-15 minutes before slicing.
Notes
You may have to adjust the baking pan's size,if your adjust the servings. the goal is 3 layers.
Use rotisserie (from grocery store) for added convenience.
If desired add green onions or hot sauce for extra kick.