Preheat oven to 350 degrees F. Spray a slotted oven broiler pan with nonstick cooking spray and set aside.
In large skillet, melt butter over medium heat. Add onion and garlic; cook and stir until crisp-tender, about 5 minutes. Add celery; cook and stir for 2-3 minutes longer. Remove from heat and allow to cool.
In large bowl, combine eggs, bread crumbs, 1/4 cup hot sauce, salad dressing, salt, pepper, cayenne pepper, and blue cheese; mix well. Add vegetables and mix well. Add ground chicken and mix gently but thoroughly with your hands until combined. Do not over mix.
Form into a large meatloaf on the prepared pan. In small bowl, combine 2 tablespoons hot sauce, ketchup and honey; blend well and brush over meatloaf. Bake for 65 to 75 minutes until internal temperature reaches 165 degrees F.