this could be from the heater core. When the heater core goes out it leaks....right into the passenger side floor board If it is water, not coolant, the problem could be a plugged air conditioner drain. Easily accesible from under the hood.
It's a Dodge thats why.
Rear passenger side.
Lower passenger side of firewall.
2009
Passenger side of the firewall.Passenger side of the firewall.
Roll up the windows!
Under the hood, passenger side of the firewall.
Front cylinder on the passenger side.
heater core is leaking.
v8 passenger bottom side of engine.
It is on your passenger side valve cover
Lower, passenger side of the firewall/bulkhead.