Rosie O’Donnell is “very frightened and concerned” about her 17-year-old daughter Chelsea after she was found with an alleged heroin dealer she met on Tinder. Chelsea, who suffers from mental illness and had not been taking her medication, was missing for a week before she was found in New Jersey on Tuesday at the home of Steve Sheerer, who was arrested in 2012 for possessing heroin with intent to distribute and child endangerment. A source told Page Six that Chelsea was found at the Barnegat Township, New Jersey, home of Sheerer after meeting him on Tinder, “She is 17 and...