Preheat oven and grease dish:
Set the oven to 375°F (190°C) and coat a small baking dish with a light layer of grease.Mix chicken with sauces:
Combine the drained chicken, softened cream cheese, buffalo sauce, and ranch dressing in a bowl, stirring until uniform.Fold in half the cheese:
Gently incorporate half the cheddar, then transfer the mixture into the prepared dish.Top with remaining cheese:
Top with the remaining cheddar cheese.Bake until bubbly:
Place in the oven for 20 minutes, until the dip is hot and bubbling around the edges.Serve with dippers:
Present warm alongside celery sticks and tortilla chips.