Only you can decide this. Until this blows over, there is a degree of uncertainty regarding your immediate future.

If RAH goes to a strike the picket line will probably include the schoolhouse. BB & co are not above taking hostages. You do have some protections under the RLA; they can't fire pilots to pressure the union and they can't fire you for honoring a picket line. They can claim they cancelled a class for economic reasons. If that does happen, your reinstatement will (most likely) be addressed in an eventual TA if there is not a strike or a back to work agreement if there is.

Once it does blow over, there is likely very little difference in life on the line between the two airlines.