What is the best way to: how to make light ranch dressing

Choices:
1). Whisk 1/2 cup buttermilk, 1/4 cup nonfat Greek yogurt, 2 tablespoons each chopped parsley and chives, 1 tablespoon cider vinegar, 1/2 teaspoon kosher salt and 1/4 teaspoon sugar.;
2). Whisk 1/2 cup buttermilk, 1/4 cup nonfat Greek yogurt and sesame seed brittle, 2 tablespoons each chopped parsley and chives, 1 tablespoon cider vinegar, 1/2 teaspoon kosher salt and 1/4 teaspoon sugar.;
Answer:
1).