PRIVATE PRACTICE - "Pushing the Limits" - Addison, Sam and Cooper treat the sick child of a homeless teen mother they met while volunteering. Meanwhile Violet has trouble relating to her baby when her feelings about her attack resurface during counseling of a rape victim who is now pregnant, and Cooper's financial woes catch up with him when he's asked to help buy out Naomi's share of the practice, on "Private Practice," THURSDAY, OCTOBER 22 (10:01-11:00 p.m., ET) on the ABC Television Network. (ABC/ADAM LARKEY) PAUL ADELSTEIN, KATE WALSH, LUCY HALE