Bottled ranch dressing gets customized with garlic and dill; try other combinations, such as shallots and oregano, if you'd like. Serve with breadsticks or rolls. Leftovers are great folded up in a flatbread or stuffed into a pita.
Combine first 5 ingredients in a small bowl; set aside.
Combine tomato, celery, and remaining ingredients in a large bowl; pour dressing over salad. Toss gently to coat.