I wouldn't experiment with different "links" first.
As noted above you need a draw-bar with more drop.
You want the nose low with no tension on the WD bars, then return to level with WD tension. Hard to say how much drop you need without hitch height measurements and weights. Our 2500 Burb is about 4" low with no WD and level when WD set.
On a dead level parking lot....
Un-hitch, move TV forward a little, level the trailer and measure. That will get you a workable number.
I added 2" for our rig, which gives me enough WD adjustment for different loads, 4" to 6" drop.