Preheat the oven to 350 F. Cook and shred the chicken. Cook the pasta according to package instructions, drain and place it in a large bowl. Add the shredded chicken, Alfredo sauce, milk, ranch dressing mix, parsley, garlic powder, Parmesan cheese, salt, and pepper. Mix everything until well combined.

Place the pasta mixture in a greased 9 x 13-inch casserole dish

Top with the shredded mozzarella cheese and crumbled bacon. Bake for 20 minutes or until the cheese is melted. Serve with fresh chopped parsley on top.