Awesome Macaroni Salad

Ingredients

• 3 cups elbow macaroni
• 1 tablespoon onion powder
• 2 tablespoons pickle relish
• 1 cup carrot
• 1 pint cherry tomatoes
• 3 celery ribs
• 1 (6 ounce) can shrimp
• 1 tablespoon chives
• 1 tablespoon parsley
• 1/2 cup bacon bits
• 1 cup buttermilk
• 1/2 cup mayonnaise
• 1 tablespoon lemon juice
• 1 teaspoon salt
• 2 teaspoons prepared mustard
• 1 teaspoon garlic