01 - Set the oven to 350°F (180°C) to ensure it reaches the proper baking temperature.
02 - In a large mixing bowl, blend cream cheese, sour cream, ranch dressing, hot sauce, garlic powder, and black pepper until smooth.
03 - Gently fold in shredded chicken, cheddar cheese, and optional blue cheese crumbles until evenly distributed.
04 - Transfer the mixture to an 8-inch square baking dish and smooth the surface evenly.
05 - Sprinkle additional cheddar cheese over the top if desired for extra cheesiness.
06 - Bake for 20 to 25 minutes until the dip is bubbly and golden brown around the edges.
07 - Allow the dip to cool slightly, then garnish with chopped chives or green onions if preferred.
08 - Present warm alongside celery sticks for dipping.