It’s important to remember that due to this being a single hop beer, the quality of your hop is pretty much going to determine 80% of the beers profile, granted your sanitation, yeast and fermentation practices are sound.
A common mistake for homebrewers is to follow the hop schedule to a T, especially with regard to dry hopping. One of the best ways to significantly increase the flavour profile of your beers is to learn to trust your nose over a recipe.
Not saying that this is the direct reason why your beer turned out average. But time and time again I’ve smelt hops bought from home brew stores that have clearly been mishandled and stored....nonetheless we as home brewers still use them for dry hop just because they have a name that matches that which is on our recipe.
The reality is what we’re using smells and tastes nothing close to what the actual variety should express in a beer.