Kyle Richards will be on house rest after suffering an injury on her back this week. The Real Housewives of Beverly Hills star revealed on her social media about her recent health issue by posting a photo of herself watching television on her couch with a food tray on her lap. “I hurt my back and cannot move,” she captioned the Instagram story. “This is where I will be for the unforeseeable future.” Though the actress has been giving updates of her recovery, she has not disclosed how she sustained the injury. She had been showing off her two German Shepherds Luna and River for being her compan…