Place chicken on grill skin side UP, grill for about 35 to 40 minutes covered with lid on basting with herb dressing every 15 minutes. flip over and grill skin side down over more direct beat, watching at all times so as not to burn until skin is crisp,5 to 15 minutes, it depends on your grill. The internal temperature should read 165, let chicken rest tented with foil 15 minutes before carving, serve with any remaing herb dressing drizzled over it.