Since 18-year-old Ryan Duvall died in a single-car crash in early May, the community has rallied around his family, including businesses like J'ville Grille in Jarrettsville.The restaurant will hold a fundraising event to help support the family.General Manager Nicole Chappell heard of Duvall's death almost immediately."It's unimaginable. I have four kids myself, and I don't even want to imagine what these families are going through," Chappell s…