Tantalizing Grilled Veggie Orzo Pasta Salad

TANTALIZING GRILLED VEGGIE ORZO PASTA SALAD1 ½ c. uncooked orzo pasta1 pt. cherry tomatoes, halved1 T. minced garlicOlive oil spray1 red onion, quartered1 red bell pepper; 1 yellow bell pepper (seeded, sliced into chunks)1 large zucchini, sliced into thick roundsKosher…