Stir together chicken and next 8 ingredients in a large bowl until blended.
Unroll 1 can crescent roll dough, and press into a lightly greased 9-inch square baking dish.
Bake at 350° for 15 minutes. Remove from oven; spoon chicken mixture over crescent roll dough in dish.
Unroll remaining can roll dough; roll into a 9-inch square. Place over chicken mixture, pressing edges of top and bottom crusts to dish to seal. Bake 18 to 20 more minutes or until golden.