In a large bowl, combine cream cheese, 1.5 cups shredded cheese, ranch and buffalo sauce. Mix on low until ingredients are combined and set aside. Open canned chicken and drain and lightly seperate mixture. 

Preheat oven to 350 degrees.

Using a 8x 8 baking dish, gently spray pan with a non stick coating to prevent sticking. Add canned chicken to the bottom of pan. Add the mixture on top and gently stir together, top with additional cheese and drizzle hot sauce. 

Bake for 20 minutes or until cheese is melted. 

Serve with pita chips, favorite crackers or tortilla strips.