He's grown up since his first appearance on TV, but there was former New Kid on the Block Jordan Knight on "Live with Regis and Kathie Lee" yesterday -- marking the release of his self-titled debut solo project. Knight, who still calls Boston home, was slated to sign autographs in Manhattan later in the day. It was nearly 11 years ago that Knight and the other New Kids made their TV debut on the same morning show. Of course, the clip showed a gang of five who wore a lot more hair gel and had much higher voices. . .