That's blessing in disguise - american funding has been a piousness candy. Look what happened to the Kerry-loger civilian funding: billions went into the pockets f the elite and were wasted. US post -911 aid before than in 80s) corruped two generations of pakistan on various levels .
Other than fair trade, from,West/US pak needs not 'indad' but development loans from WB and ADP which are beneficial or favorable terms from IMF whenever needed. These institutions can stop loans on behalf of western countries but their loans are projects specific and well monitored. Not just Pakistan - trump cut military funding to rich Europeans as well, which was his main slogan.
GDP didn't decline because of US - it was direct cyclical results of Nawaz policies - CA balance, declining imports and unbearable volume of loan - adjustments had to happen, that's what zardari had to do when ppp took power in 2008-- and not to forget that this so-called GDP growth was not so real (though upper middle class enjoyed cheap imports) - the losses in trade were more than the gdp growth and net was in the negative -- However added burden of future interest payment was the real price which we had to suffer for this kind of GDP growth.