Chicken Zucchini Kabobs

lbs boneless, skinless chicken breasts ((about 3-4 breasts))

lemon-lime soda ((like Sprite, 7-Up, etc))

soy sauce ((regular or reduced-sodium))

canola oil

zucchini, cut into large 1" chunks ((peeled or unpeeled))

red onion, cut into large 1" chunks

canola oil

salt

pepper