Bring a large pot of salted water to a boil, add the pasta, and cook according to package instructions (8-10 minutes). Drain and rinse under cold water.

Cut the cooked chicken breast into bite-sized pieces.

Prepare the dressing by combining Greek yogurt, lemon juice, minced garlic, Worcestershire sauce, Dijon mustard, salt, and pepper in a bowl and whisk until smooth.

In a large bowl, combine cooled pasta, chicken, romaine lettuce, and cherry tomatoes. Add croutons and Parmesan cheese, then toss gently.

Drizzle the Caesar dressing over the salad and toss lightly until everything is coated. Serve chilled or at room temperature.