Erin Moran, the former child star who played Joanie Cunningham in the sitcoms “Happy Days” and “Joanie Loves Chachi,” died in southern Indiana Saturday at age 56. A statement from the Harrison County sheriff’s department said the dispatcher “received a 911 call about an unresponsive female. Upon arrival of first responders, it was determined that Erin Moran Fleischmann was deceased. An autopsy is pending.