It’s impossible to over-state the impact the cooler 2011 growing season played, but I’m enjoying what new co-owner and winemaker Paul Brock is doing with the wines at Silver Thread Vineyard. He is making fresh, clean wines that are delicious on their own but that perhaps shine brightest with food — all at good price points. In other words, exactly the types of wines I reach for every day. With bright, fresh aromas of citrus blossom, lime, grapefruit and flinty slate, Silver Thread Vineyard 2011 Dry Riesling ($16) showcases the winery’s apparent new direction quite well. Grapefruit flavor bursts on…