I have learned over the years to come in and work from the right. You only have control of these boats in reverse if you can allow the back in to drift the right (steering wheel side). THis is because the way the prop spins.
If you are approaching a straight ahead dock then just click forward and work back and forth from neutral to gear to get your desired speed.
No real definite trick, just keep trying and take it slow with "all hands on deck" ready to help. Maybe define your docking space so we can throw some ideas to you.