01 - Preheat the oven to 350°F.
02 - In a medium bowl, mix the softened cream cheese, sour cream, hot sauce, ranch dressing, garlic powder, and black pepper until smooth.
03 - Fold in the shredded chicken, cheddar cheese, and mozzarella cheese until evenly combined.
04 - Spread the mixture into an 8-inch baking dish.
05 - Bake for 20-25 minutes, or until the dip is hot and bubbly around the edges.
06 - Remove from the oven and sprinkle with sliced green onions, if desired.
07 - Serve hot with tortilla chips, celery sticks, or sliced baguette.