I have kind of an add on questions to this (hope that's OK! Thought it'd be OK to hijack since your questions was already answered and mine is related

)
We are getting two rooms each with 2A/2C (our 2 oldest are Disney adults). I am considering getting the DxDP for one room and splitting the credits, since 84 meal credits are more useful to us than 56 TS & 56 QS credits (plus, us adults would get apps!). Now, since I haven't done the plan yet, I went ahead and made reservations for CRT and paid OOP. However, I was only able to get us in by doing two 4 person reservations on two different
MDE accounts (mine and DH). So, how do I go about getting the refund for both reservations since only one room will have the dining plan associated with it?
Also, how does one room splitting credits work at family style/buffets/dinner shows? Beside CRT, we's also like to do Spirit of Aloha, Chef Mickeys and the family style all-you-can-eat option at WCC. Do I just order the meals, pay with my MB and 8-16 credits will come off instead of 4-8? We've had QSDP and
DDP before, but this will be our first time trying to 'share' one plan, so I want to make sure I've got everything straight and there's no surprises.