HEAT oven to 400ºF.
MIX first 4 ingredients in large bowl until blended. Reserve 1/4 cup; refrigerate until ready to use. Add chicken to remaining yogurt mixture; turn to evenly coat both sides of each breast. Refrigerate 1 hour to marinate.
REMOVE chicken from marinade; discard marinade. Place chicken on foil-covered baking sheet sprayed with cooking spray.
BAKE 20 min. or until chicken is done (165ºF), brushing with reserved yogurt mixture for the last 5 min.