I guess... Bree.
WYR be on the Pevensies' advisory council (assuming they have such a thing) or silently observe a meeting of it?
Observe!
WYR go to the Western Wild or the utter East?
Thank you, Hobbit!
Ummmm, Western Wild.
WYR visit Lantern Waste or the Northern Marshes (or wherever the Marshwiggles live)?
Lantern Waste!
WYR visit Aslan's How or Cair Paravel?
Thank you, Hobbit!
The How.
WYR be in LWW or VDT?
VDT!!!!!
WYR have a Narnian lion banner or a shield with the Lion on it?
Thank you, Hobbit!
the shield
WYR choreograph a simple dance video or learn from one?
O.o That doesn't sound Narnian..... I think you got the wrong forum. 😆 Ummmm, learn one.
WYR ride Fledge or Jewel?
Thank you, Hobbit!
Fledge, actually.
WYR be in MN or SC?
MN!
WYR be in HHB or PC? 
Thank you, Hobbit!
(heh, whoops...)
HHB
WYR see Rabadash hanging off a hook or turning into a donkey?
Hanging off the hook. 😆
WYR meet dragon-Eustace or the Rabadash-donkey?
Thank you, Hobbit!
Rabadash-donkey is so much less intimidating. 😀
WYR rescue Trumpkin from the Telmarines or Poggin from the Calormenes?
Erm, Trumpkin.
WYR be beat in an archery competition by Su or Trumpkin?
Trumpkin.
WYR watch Trumpkin and Susan have an archery competition or see Edmund and Trumpkin swordfight?
Thank you, Hobbit!
