Season chicken with garlic powder, salt, and pepper.
Grill chicken until cooked through, for about 8 to 10 minutes.
Cut chicken into bite-sized pieces and set aside.
Warm black beans and corn in a pan. Set aside.
Divide rice into 4 bowls, top each bowl with chicken, beans, corn, diced tomato, GoVerden Guacamole Spicy, sour cream, and shredded chicken.