While other aspiring actors at the University of Virginia were absorbing extra drama lessons, Jen Lilley was taking business classes. "I studied the business inside and out," said Lilley, a former soap opera actress who now is a star in Hallmark Channel movies. "I don't want to be the next hottest thing, I want longevity," said Lilley during a phone interview while on break from the set of a new Hallmark movie in Canada, where the temperature was hovering around 11 degrees, with wind chill of 2…