Charred? Or chard? Big difference.
Chardonnay barrels.
I would recommend Nebraska Brewing Company. They have several excellent beers. I'd say by far best brewery in Nebraska.
Not sure I have a top 10, but some of my favorites:
Delerium Nochturnum
Spaten Optimator
Warsteiner Dunkel
Great Divide Yeti (several styles)
Baraboo Bonfire Marzen (only had once but really liked)
Boulevard Wheat
New Belgium Fat Tire
Oh, and Coors Light