Quinoa Vegetable Salad with Grilled Chicken and Pesto

whole boneless skinless chicken thighs

whole green zucchini

whole red pepper

whole yellow pepper

olive oil

Kosher salt

black pepper

cooked and cooled quinoa

whole garlic cloves, minced

sliced green onion

whole can (14oz) garbanzo beans (rinsed and drained)

large handfuls of arugula

crumbled feta cheese

pesto

fresh basil for garnishing