Front to back leveling help

I need some advice on getting my new trailer level in my slopes drive

I have a 292BHDS pictured and my drive is sloping pretty good down hill. It's level side to side but for and aft I'm still not able to get level even with jack fully extended and Andersen Rapid Jack under pedestal. I know having the tongue Jack extended all the way out is not ideal but I can't get anymore pads or blocks under it when it's fully retracted either

I also know that extending the stabilizers and letting the trailer rest on those while I get more blocks under the Jack is a No No No as these prob won't support trailer weight.

So what options do I have and suggested actions I can do? I have a hydraulic Jack I can get and lift the trailer some and maybe get a 2x6 under the tongue Jack pad.

Do I dare even attempt to put any weight of the trailer in stabilizers then retract the jack place blocks then extend it?

Really in a jam here to get this level in my drive and was not foreseen

Thanks



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