GRAND FORKS — Ruby Schneider and Kalli Block have been friends since birth, but the duo wasn't exactly confident the connection would translate to the court. "We've always thought that we wouldn't really work too well playing together," Schneider said. Nonetheless, the two Red River sophomores were paired at No. 1 doubles this season. There were growing pains, but Schneider and Block have become increasingly comfortable as a pair. Schneider reco…