I don't believe that there is a 'Proper' technique. I have seen many, many different stances and holds. Some looked downright awkward but the Highmasters who used them proved they were credible.
To the OP's question A balanced upright stance highlighting NPA, bone support, moderate shoulder pressure, repeatable head position and comfortable forward hand position is a starting place. Actual amount of pressure is a personal thing based on the shooters strength and stamina. Patience is the one thing most shooters don't have enough of. Patience to wait for the sight to settle. Patience to wait for the sight picture to appear. And the patience to apply the trigger control necessary to release a clean shot.
Keep shooting. It will come.
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Distinguished Rifleman #731