Meanwhile, add all of the Barbecue Sauce ingredients to the 1 tablespoon reserved Spice Rub and whisk to combine. Remove 1/2 cup barbecue sauce and add to slow cooker along with 1 cup water, 2 tablespoons Worcestershire, 1 tablespoon reduced sodium soy sauce
and 1 tablespoon beef bouillon
. Whisk to combine (the bouillon will not be completely dissolved but will dissolve during cooking).