Kyle Richards is “taking her time” following her split from Mauricio Umansky. The 55-year-old reality star called time on her marriage to Mauricio, 54, after more than 25 years together last year and now her sister Kathy Hilton, 65, has shared an update after they went back to filming on ‘The Real Housewives of Beverly Hills’ for Bravo. She told People: “I think she’s just taking her time. We just wrapped a month ago, and so she’s spending a lot of time with her girls and they were Kathy acknowledged that her sibling – who has Alexia, 28, Sophie, 24, and 16-year-old Portia with Mauricio as wel…