Combine first 6 ingredients in a small bowl; mix well.
Arrange chicken in a shallow baking dish.
Pour 1 cup sauce mixture over chicken, turning to coat.
Cover and chill remaining sauce.
Cover and chill chicken 6-8 hours, turning occasionally.
Remove chicken, reserving marinade.
Grill chicken over medium-hot coals 10 minutes or until done, turning once and basting with reserved marinade.
Serve chicken with chilled white barbeque sauce.