Hey Etta!
So the fuel leak thing. Super sketchy. What I would do is start small and work your way to big horrible expensive repairs. Odds are its a retaining clip or quick connect. The half full leak thing is concerning though.
On rear passenger side in front of the tire semi recessed up into wheel well is your main fuel sending,return, and breather lines and fuel filter. (Little beer can looking deal) these have convenient quick connects, but the lines are about ss brittle and fragile as grandmas tea set. That is where I would start. And if hoh have to relieve fuel pressure this is where i do that too. Disconnect battery though or you willhave your fuel pump dumping fuel everywhere.Our cars have all kinds of crazy going on fuel and emissions wise all tucked super inconveniently up in the spare tire area. The fuel pump access is under the rear bench seat. It slmost seems you may have s bad seal there or at filler neck. But no matter what resign yourself to the fact that all activities will be hands and knees or inching around on your back. Start at the filter and follow the lines to where the leak is. Good luck!