On my Brunny Cab Chassis I had a Reece Hitch point on the Bull Bar and the Winch was on a Cradle at the back on a 2nd Reece Hitch off the Chassis up under the tray (where it was normally stored) so I could winch from front or back.
Pull the pin, unplug the Anderson, move to whole shebang to the front hitch, plug it in, fit the pin and winch away... that worked a treat for me.
Having a Hitch Point on the front was also very useful for a towbar mount to manouver trailers in very tight spaces.
IMHO a sled idea would be a PITA to rig so everything stayed flat and square under load