The new Dickey's Barbecue Pit at Exit 17 east of Spearfish, part of a convenience store and liquor store/casino complex, is close to serving up its first plates of smoky, savory 'cue to customers, according to developer Darryl Propp. April 15 is the projected opening date. Propp said. And this is just the first for the site, Propp said, with more retail and office space to be added along with senior housing proposed for the area.