Tuna-Macaroni Salad

Salad
4 cups small shell macaroni, cooked and drained
1 cup shredded carrots
1 small onion, minced (red or white)
1 large can tuna, drained

Dressing
1 1/2 cups mayonaise
1/2 cup milk (try low fat or non fat)
1 1/2 tablespoon lemon juice
2 teaspoon prepared mustard
1/8 teaspoon salt
1/8 teaspoon pepper
1 tablespoon dried dillweed
2 teaspoons garlic powder

Cool macaroni and then stir in all other ingredients, mix well and chill.