In a small bowl, combine the milk and the vinegar.  Allow to sit while you combine the rest of the ingredients.  

In a food processor, add half the bleu cheese, sour cream and seasonings except salt and pepper, finally adding milk and vinegar mix last (yes it will look a little curdled).  Blend until smooth, pour into a bowl.  Add the rest of the bleu cheese and season with salt and pepper.  

Place in the fridge for about a half hour for flavors to meld then serve with your wings.  The dip should be thick and smooth perfect to dipping into.