I think your main problem is that you're using a WF 4 line on a 3 wt pole. What's the flex of the pole like (i.e. fast action, medium, full flex)? Even if it's a fast action rod, I think overlining a 3 wt is a bad idea for a novice caster.
There's a HUGE difference overlining an 8 wt with a 9 wt line versus a 3 wt with a 4 wt line. Using the WF line only adds to this. The difference gets bigger and bigger the smaller the rod/line size.
I'd recommend that you either swap for a 4 DT line, or go to a 3 WF.
My passion for catching fish is eclipsed only by the fish's passion not to be caught.