HILLSDALE — A Pittsford man on bond awaiting a February jury trial for domestic violence is once again behind bars.Kristopher Craig Groulx, 23, was arrested Jan. 10 by the Hillsdale City Police Department for allegedly assaulting the same victim again.This time, officers allege Groulx was in possession of a handgun.Groulx was arraigned Monday afternoon in the 2B District Court on allegations of assault by strangulation, carrying a concealed weapon and possession of a firearm during the