01 - Preheat the oven to 375°F.
02 - In a large mixing bowl, combine cream cheese, ranch dressing, blue cheese dressing, hot sauce, garlic powder, and black pepper. Mix until smooth.
03 - Fold in the shredded chicken, mozzarella cheese, and half of the blue cheese crumbles.
04 - Spread the mixture evenly into a 9-inch baking dish or ovenproof skillet.
05 - Sprinkle the remaining blue cheese crumbles on top.
06 - Bake for 20–25 minutes, until hot and bubbly.
07 - Let cool for 5 minutes, then serve warm with celery sticks.