Reality TV star Kim Richards has checked into rehab following an alleged drunken altercation with a police officer earlier this month. The child actress-turned-?Real Housewives of Beverly Hills? star was charged with public intoxication, resisting arrest, trespassing and battery on a police officer after cops where called to the Beverly Hills Hotel, where she was accused of causing a disturbance. The news emerges days after Richards stormed out of a TV interview with self-help guru Dr. Phil McGraw after she took issue with his alleged attempts to stage an intervention.??