Combine spice rub ingredients in a small bowl and toss to combine.
Add dry rub to chicken and massage into meat.
Sprinkle dry rub over vegetables and toss in bowl.
If using metal skewers. Add vegetables and chicken onto the skewers. If using wood skewers, make sure to soak skewers in water for at least 30 minutes prior to adding vegetables and chicken.
Turn the grill to Medium High heat. Line the grill with ALCAN® Non-Stick Ultimate Grilling Foil.
Cook skewers for 9-12 minutes, turning frequently.
Drizzle with BBQ sauce and cook additional minute on each side until the sauce begins to caramelize.
Serve with BBQ sauce.