1. Heat oven to 400ºF.
2. Coat chicken with coating mix as directed on package; place on baking sheet. Bake 12 to 15 min. or until done.
3. Meanwhile, spray both sides of waffles with cooking spray. Gently fold each in half; secure with wooden toothpick. Place on separate baking sheet. Add to oven to bake with chicken for the last 8 min. Mix syrup, barbecue sauce and Sriracha sauce until blended.
4. Remove toothpicks from waffles. Place chicken strips in waffle shells; top with syrup mixture and onions.