Brandon's Blue Cheese Dressing

1 cup buttermilk

1 cup mayonnaise

1 cup Greek yogurt (such as Fage®)

2 tablespoons milk

1 tablespoon Meyer lemon juice

1 tablespoon cracked black pepper

2 cloves roasted garlic

minced

1 teaspoon kosher salt

¾ cup crumbled blue cheese (such as Maytag)