Cut chicken down into strips and season with your favorite seasoning. Arrange these on a greased baking sheet.
Cut zucchini, onion, squash, and bell pepper into a large chop. Place in bowl and drizzle with Italian Dressing. Stir well to coat, and then pour these out on a separate greased sheet pan.
Bake in 400 degree oven for about 35-40 minutes. Flip the chicken and veggies about half way. Check chicken with thermometer to make sure fully cooked. Let these rest for 5-10 minutes. Then chop chicken into bite size pieces.
While these are cooking, boil water for orzo. Cook per box directions (each orzo brand is a little different), then drain once tender.
Serve bowl style, with orzo at the bottom, then topped with veggies and chicken.