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 smooth.
03 - Stir in garlic powder, onion powder, and black pepper until well incorporated.
04 - Add shredded chicken, half the mozzarella, and half the cheddar cheese. Stir until evenly combined.
05 - Spread mixture evenly in a 1-quart baking dish.
06 - Sprinkle remaining mozzarella and cheddar cheese over the top.
07 - Bake for 18-20 minutes until hot and bubbly throughout.
08 - Broil for 2 minutes until top is golden brown and slightly crisped, if desired.
09 - Let cool for 5 minutes. Top with green onions and crumbled blue cheese if using.
10 - Serve warm with celery sticks, cucumber slices, or keto-friendly crackers.