The rehabilitation of the existing Rich Products Corporation’s food processing plant at 801 N. Kent St. is underway. The 33,054-square-foot plant is being renovated into Sunshine’s Pride Dairy. Quesos La Ricura says it will invest $9.5 million in the building. Winchester’s Howard Shockey & Sons is the general contractor working to prepare the plant for production. rnrnJim Deskins, Winchester’s director of economic redevelopment, said he has been told the project is progressing well. He said the company had expected a spring or summer opening.rnDeskins said the region will welcome the jobs the plant will create – company officials have said they expect to hire about 100 people – and the city will gain significant revenue from property and equipment taxes. But the message it sends about the city also is important. “A less tangible benefit is the psychological and market impact it has for us to be able to say somebody is opening a new facility in Winchester during this time when most places seem to be losing jobs