In a bowl, add the mixed dry ingredients with lime juice, Dijon mustard, mayonnaise, and sour cream.
Whisk in the buttermilk. Store in the refrigerator.
Notes
How long will it keep?This ranch dressing will keep for about 1 week. Just keep it refrigerated so that the ingredients stay fresh.What to serve with ranchThere are so many delicious things you can do with buttermilk ranch dressing! It makes a great dipping sauce for tasty bites like these baked breaded chicken skewers and these quinoa chicken nuggets. It also is a great addition to a sandwich or BLT wrap.