In a medium mixing bowl, combine the chicken, cream of chicken, sour cream, cheddar cheese, veggies, garlic powder, and salt. Cut each biscuit into fourths and toss pieces into chicken mixture. Spray a 9 x 13 baking pan with cooking spray and spread chicken biscuit mixture evenly. Place pan in preheated oven, 375, and bake for about 35-45 minutes, or until cooked through. *Could take longer depending on oven Remove from oven and serve!!