By Denny Dyroff,  Entertainment Editor, The Times  Katie Henry Katie Henry, who will headline a show on September 24 at Jamey’s House of Music (32 South Lansdowne Avenue, Lansdowne, 215-477-9985, www.jameyshouseofmusic.com), is one of the bright new prospects in America’s flourishing blues scene. Her band features Antar Goodwin on bass, Jem Seidel on drums and Eric Santana on guitar. She...