CHESTERFIELD COUNTY, Va. A Dunkin franchisee is adding to his local presence with a new shop, which is planned as part of a retail project hes developing near Chester.Gregg Nigro, who owns 20 Dunkin locations in the Richmond region, plans to build a 5,800-square-foot retail strip with four storefronts at 6900 Regency Way, along Iron Bridge Road a little less than a 10-minute drive south of the Chesterfield County courthouse.Click here to continu…