Preheat oven to 400 degrees F.
Combine cream cheese, chicken, buffalo sauce and cheddar cheese in a small mixing bowl. Unfold both pastry doughs and cut each into nine squares. Place 1-2 teaspoons of chicken mixture onto each square and fold two opposite corners of the dough over to make a triangle. Seal the sides with a fork or with your thumb.
Place on a spayed cookie sheet and bake for 12 to 15 minutes at 400 degrees F.
