Blue Dolphin, a pan-Asian restaurant that set up in the old King of Prussia Diner building at Gulph Road and Mall Boulevard outside King of Prussia mall, has gone away after nine months. I hear that the King of Prussia Hooters, now on Route 202, will move in and take over. Opening will be Oct. 28. If you need your Blue Dolphin fix, you need to drive to its sibling restaurant, Hunan Village in Abington. (A bank will take over the present Hooters site.)