01 - Preheat oven to 350°F.
02 - In a large bowl, mix cream cheese, sour cream, ranch dressing, buffalo sauce, garlic powder, onion powder, smoked paprika, and black pepper until smooth.
03 - Fold in shredded chicken, then mix in three-quarters of the cheddar and mozzarella cheese.
04 - Transfer mixture to a greased 8-inch baking dish and smooth the surface evenly.
05 - Sprinkle remaining cheddar and mozzarella cheese evenly over the top.
06 - Bake for 20 to 25 minutes until bubbly and cheese is melted and lightly golden.
07 - Remove from oven, allow to cool for 5 minutes, then garnish with chopped scallions or chives.
08 - Serve hot with tortilla chips for dipping.