(TrendHunter.com) The popular quick-serve restaurant chain, Arby's, recently expanded its offerings with the introduction of the new Dr Pepper Float. The new item comes just in time for summer and, as its name... (TrendHunter.com) The popular quick-serve restaurant chain, Arby's, recently expanded its offerings with the introduction of the new Dr Pepper Float. The new item comes just in time for summer and, as its name...