Creamy Lime Cilantro Dressing

1-ounce package ranch dressing mix (ignore directions on package)
1 cup mayonnaise
1/2 cup buttermilk
1lime
2 cloves garlic, roughly chopped
1/4 cup green salsa (La Costena is our fav)
1/2 cup chopped cilantro

Place buttermilk, mayonnaise, lime juice, and ranch mix in a blender. Add the garlic and cilantro and blend until smooth. Add the cilantro and pulse until the cilantro is well combined. Chill for several hours before serving (if possible.)