HEAT oven to 400ºF.
PLACE chicken on foil-covered rimmed baking sheet sprayed with cooking spray. Bake 30 min. Meanwhile, mix remaining ingredients in medium bowl until blended.
ADD chicken, a few drumettes at a time, to barbecue sauce mixture; toss to evenly coat. Return to prepared baking sheet.
BAKE 15 min. or until chicken is done (165ºF).