Naya Rivera's family is making sure to keep her memory alive for her 4-year-old son, Josey. Thursday, Aug. 13, marks one month since the late star's body was found in Lake Piru, California, after she went missing July 8.A source tells ET that while «this has been an unbelievably difficult time for her family and loved ones,» Rivera's son is «doing better every day.»Josey is with his father, Ryan Dorsey, full time.