UTAH – The Rapid City Rush were strangers to overtime this season until the third period horn sounded Saturday night. That unfamiliar territory didn’t seem to faze them, however, as 35 extra seconds of their first overtime this year were all that were needed as a rebounded puck found its way to Hunter Garlent, who dropped to one knee and fired a one-timer into an open net to end the game and hand the Rush a 5-4 victory over the Utah Grizzlies at Rushmore Plaza Civic Center. “You’ve just got to be ready to shoot those right away,” Garlent said.…