Will the puppet king grow a spine and preserve his kingdom?

Not expecting much but survival is an instinct of any living organism. The ethnic cleansing of Palestine poses a direct risk to the Jordanian king.

They will require backing, no? Which country will back them?

I mean, the last time they accepted Gazan refugees en masse it almost cost them the country (Google “Black September”). There’s a reason none of the muslim countries in the middle east (or elsewhere) want to take them in…