Place chicken on grill, breast side down, over medium heat. Cover grill; cook 8 minutes, then turn 90 degrees, and cook, covered, 8 minutes longer. Turn breast side up, and cook, covered, 11 to 17 minutes longer or until instant-read thermometer inserted in thickest part of thigh reads at least 165°F. Transfer to cutting board. Rest, tented with foil, 5 minutes. Carve chicken into 8 serving pieces.