Naya Rivera's dad, George Rivera, is opening up to ET about how his family is coping with her tragic death almost a year later.ET's Kevin Frazier sat down with George for an emotional conversation, airing Wednesday on ET, ahead of his first Father's Day without his daughter. Naya was pronounced dead on July 13, five days after she went missing at California's Lake Piru while taking a boat ride with her now 5-year-old son, Josey.