Soak wooden skewers into water from 10 to 30 minutes.
Cut the chicken into 1” cubes.
Dice bell peppers and onion into 2" chunks.
Assemble skewers with chicken, onion, cherry tomato and bell pepper.
Marinate skewers for 30 minutes to overnight.
Pre-heat a skillet or outdoor grill to medium-high heat. Cook skewers 8 minutes on each side or until chicken is thoroughly cooked (165F degrees internal temperature).