Hilton Head Island, S.C., 2015-12-16 — /EPR Retail News/ — The Dairy Queen® system is pleased to announce the opening of the Hilton Head Island DQ Grill & Chill® restaurant located at 1018 William Hilton Parkway. This location is the newest Dairy Queen restaurant in a family of more than 6,600 restaurants world-wide committed to offering every…