Yup to the above

3P for what you want, list every seat in 3D in the order of preference - want to stay in base and are junior-
175 dfw (you won't get it if you don't list it)
​​​145 dfw
145 ord (since 145 is junior to 175, you will be able to get back to base sooner on it)
175 ord/mia

Displaced into the left seat doesn't mean you're stuck (unless you take the voluntary seat lock for the extra $), put what you want in your 3Ps for the subsequent bids, eventually you'll get it

Don't leave your 3Ds empty/short. List all the CA seats in there however you see fit, otherwise you might find "NEB" next to your name and an award that would have been your last choice.