I'm pretty sure if they entire land will be rethemed to world then so will River adventure. It'll probably be the same ride but possibly a change in theming to the final area (drop tower building). Also hell yeah that raptor, I'm so happy that Star Wars and this are using practical effects again. Hopefully they make a comeback because of themI wonder, if they rebrand the park to JW, will they keep the River Adventure as JP and pretend it is a throwback tour within JW?
On another note, this is a Raptor from JW: