This Chicken Pasta Salad is a vibrant and flavorful dish that combines tender marinated and seared chicken breasts with al dente rotini pasta, fresh cherry tomatoes, diced bell peppers, and sharp cheddar cheese. Tossed in a zesty Italian salad dressing and enriched with crispy bacon bits, it makes for a perfect quick meal or a make-ahead dish ideal for picnics, potlucks, and lunches.