In large Ziploc(R) bag, combine 1/2 cup Sesame Ginger Marinade with chicken; seal bag. Marinate in refrigerator for 30 minutes to 1 hour. In small bowl, stir together 1/3 cup Marinade and syrup; set aside.
Remove chicken from bag, discarding used marinade. Grill chicken over medium heat 30 minutes or until thoroughly cooked, watching carefully. During last 10 minutes of grilling, turn and brush chicken frequently with grilling sauce to glaze.
Serve chicken on top of orange slices, sprinkled with green onion.