It's enticing to purchase ready-made salad dressings. It's certainly convenient, but jarred dressings often are high in calories, full of additives and are expensive. Keep it off by learning to make your own low-fat dressings. It's healthier, cheaper and tastier.
In a small bowl, with a wire whisk or fork, mix the yogurt, chives, milk, vinegar, mayonnaise, salt and pepper until well blended (or combine the ingredients in a jar with a tight-fitting lid and shake to blend). If not using right away, cover and refrigerate for up to 3 days.