The Post reports that Rahman “Rock” Harper — former “Hell’s Kitchen” winner and an Alexandria native — will return to the area to run the show at Next Door, the new U Street space neighboring Ben’s Chili Bowl. Next Door is slated to open in time for the Inauguration. Harper, who in 2007 managed to skirt Gordon Ramsey’s caterwauling long enough to win $250,000 and a job at Green Valley Ranch Resort in Vegas, was…