Aaron Harrison is the newest member of La Familia, the team of Kentucky alums in this year’s The Basketball Tournament. Moments after Harrison was announced on Tuesday, he joined the conversation on Kentucky Sports Radio to preview his return to Rupp Arena later this month. Harrison told KSR the TBT will be his first time teaming up with his twin brother, Andrew Harrison, since they were the starting backcourt in Lexington for two seasons. He is eager to team up with other alums, too, guys like former teammates Willie Cauley-Stein and Tyler Ulis. Ulis will coach La Familia. Of course, the conv…