Do you have single or dual exhaust? With or without park assist? Different part numbers. Here's the site for purchasing. You can search for the one you need.
http://dodgepartsdept.com/journey-parts/
I've had to do this on my Sebring and my sons Tiburon. Both required removal of the intake manifold. Really not that bad. Just take your time and label all connectors/vacuum lines and whattever else needs to be disconnected so it all goes back where it came from.
No drain or filler plug. Trans service is supposed to be a dealer only service. If you want to do it yourself, you will have to drop the pan and make sure you add the exact amount back in since there is no way to measure it with a dipstick.
I rotate every 6 months/6000 miles, change my oil 6 months/5000 miles. Sometimes both activities coinside or occure very close together. I usually go ahead and do them both at the same time anyway. I'll probably go to 6 months/6000 miles the next time I change the oil so they both happen at the same time always.
Guess he/she did not like the responses. Most times foks like that want others to share their misery with them, if they don't get the responses they were looking for, delete, goodbye.