To prepare sauce, combine teriyaki sauce and sesame seeds in a small bowl.
To prepare kebabs, thread 6 shrimp, 4 pineapple chunks, and 1 onion wedge alternately onto each of 8 (10-inch) skewers. Brush kebabs with teriyaki mixture. Place kebabs on grill rack coated with cooking spray; grill 8 minutes or until shrimp are done, turning once.
MyRecipes is working with Let's Move!, the Partnership for a Healthier America, and USDA's MyPlate to give anyone looking for healthier options access to a trove of recipes that will help them create healthy, tasty plates. For more information about creating a healthy plate, visit www.choosemyplate.gov.