01 - Preheat oven to 375°F.
02 - Combine cream cheese, sour cream, buffalo wing sauce, and ranch dressing in a large mixing bowl. Mix until completely smooth.
03 - Stir in garlic powder, onion powder, and black pepper until evenly distributed.
04 - Add shredded chicken, half the mozzarella, and half the cheddar cheese. Stir until thoroughly combined.
05 - Transfer mixture to a 1-quart baking dish and spread into an even layer.
06 - Sprinkle remaining mozzarella and cheddar cheese evenly over the top.
07 - Bake for 18 to 20 minutes until hot and bubbly throughout.
08 - For golden brown topping, broil for 2 minutes watching closely to prevent burning.
09 - Let cool for 5 minutes. Top with green onions and crumbled blue cheese if desired.
10 - Serve warm with celery sticks, cucumber slices, or keto-friendly crackers.