“We think that Denver is the heart of craft beer in the U.S., and we want to be part of it,” says Paloma Mondragón, general manager of BrewDog Denver, which is set to become the first U.S. franchise of the Scottish-founded brewery when it opens at noon on Friday, April 19, at 3950 Wynkoop Street in RiNo. The venture is a family affair: Hop Dragon Holdings is the partner for the franchise, and its founder, Juan Carlos, is Paloma’s father…