Combine in a large bowl, the Greek yogurt, mayonnaise, chives, parmesan cheese, garlic, salt, and lemon juice. Whisk until smooth.
½ cup Greek Yogurt , 3 tablespoon Mayonnaise , 2 tablespoon Lemon Juice, 1 teaspoon Salt , 1 clove Garlic, 2 tablespoon Fresh Chives, 1 teaspoon Dijon Mustard , ½ cup Parmesan Cheese