I have about 700 hours, mostly in taildraggers, but no Jodel time. A lot has been in the Chipmunk, including various Cubs, Citabrias etc right through to a Waco and Stearman - and lots of others in between.
I go for 3-point as my 'standard' arrival, wheelers if there's a strong wind. You seem to have been taught wheelers as standard, which is a bit odd, and I wonder about your basic tailwheel training. Usually, 3-pointers are taught as standard and wheelers follow on.
If landing out of wind it is not unusual for a taildragger to require steering by ue of differential brakes in the latter part of the landing roll. That's why brakeless aeroplanes, like Tiger Moths, are supposed to be landed into wind at all times if poss.
You are unlikely to tip it on its nose if just one brake is applied - that will cause to it to swing, rather than tip, unless it is done viscously and hard. Be gentle, anticipate, and use the minimum differential brake that will keep you staright.
I'd re-iterate what some have said - find a good tailwheel instructor and do a couple of hours with him/her. Always 3-point unless a wheeler is more appropriate, and don't be afraid to use differntial brake to steer in the rollout if it's needed (but don't over control - little and early is the key!).
BTW, I've yet to groundloop - but I came close a couple of times
SSD