For those that know Robin Ross, co-owner of Arrowhead Spring Vineyards, it may be difficult to believe that when she met her husband Duncan she wasn’t even a wine drinker. Ross has come a long way since then. She now dedicates herself day and night to the 7-acre vineyard in New York’s Niagara Escarpment, with much of that time in between the vines. If asked 10 years ago if she thought she would be a winery owner working  full-time in the wine business, my guess is that she probably would not have said yes. Winemaking was her husband Duncan’s passion,…