Preheat oven to 375°F.
Separate dough into 8 triangles.
In bowl, mix chicken and barbecue sauce. Spoon chicken mixture onto short end of each triangle; sprinkle each with 1 teaspoon of the cheese. Roll up loosely as directed on can. Place on ungreased cookie sheet. Brush with egg; sprinkle with remaining cheese.
Bake at 375°F 12 to 15 minutes.