1Heat cream cheese in small heavy saucepan over low heat; cook and stir until melted. Add cilantro, salsa, salt, cumin and garlic powder; stir until smooth. Stir in chicken; remove from heat.
Roll out pie crust dough slightly on lightly floured surface. Cut dough with 3-inch round cookie or biscuit cutter. Reroll dough scraps and cut enough additional to make 20 rounds.
Preheat oven to 425 F. Line 2 baking sheets with parchment paper or foil. Place about 2 teaspoons chicken mixture in center of each round. Brush edges lightly with water. Pull one side of dough over filling to form half circles; pinch edges to seal.
Place 10 empanadas on each prepared baking sheets; brush lightly with egg. Bake 16 to 18 minutes or until lightly brown. Serve with salsa.