Pre-heat oven to 350° F.
Spread cream cheese into an ungreased shallow 1 quart baking dish. Layer with chicken, wing sauce, and ranch dressing. Sprinkle with mozzarella cheese then blue cheese crumbles. Drizzle with additional wing sauce.
Bake uncovered for 20-25 minutes or until heated through and cheese is melted. Serve warm with strips tortilla chips.