Which side is giving the problem, passenger or driver? Not sure I fully understand which side is hanging up, but I can tell you from experience that the driver door on my truck failed at the lock mechanism attaching points which would not let the door open. I got lucky and was able to open the the door from the outside of the truck, but the interior handle would no longer fully release the mechanism and allow the door to open.
If you look at the good door, open it and look at the door lock mechanism. It is attached to the metal door shell with three bolts (torx I believe). Unfortunately, that metal door shell is very thin and the door is very heavy. What happened in my case was as the hinges failed over time the latch became mis-aligned with the striker on the cab and after repeated closings the force of slamming the door shut caused the door lock mechanism to rip or tear away from the door shell. The thin metal of the door shell fatigued and the mechanism was hanging in place only by the rods which connect to the outside handle and the inside handle to the lock mechanism itself. This caused the door mechanism to not fully release and the door was "stuck" shut. Not sure how to get the door open, but I'd start with working the handles and looking down in through the window channel to see if the mechanism is still in place or not?
Hopefully this is not the problem you have, but something to look for.