Suggest the OP measure his loaded tongue weight before proceeding with placing any weight on the rear. If it's on the high side, placing weight on the rear could be a good thing. If it's low or just right, agree, might not be a good idea.
The OP could measure the distance from the rear platform area to the axle center (fulcrum) and the distance from the fulcrum to the receiver a-frame ball mount to calculate (with reasonable accuracy) how much tongue weight he may lose.
FWIW, here's some
Safety Strut Bumper Brackets the OP might find useful.