no i dnt think that is itThe fox isn't the type to work together with anybody so every 9-tails Jinchuuriki had to force his mind away. So did Naruto. He can now access the full power (but only 50% of the whole power of the fox because Minato sealed the other 50% away) but obviously he has some problems to adjust the power to use it efficiently. So Itachi's gift has nothing to do to control the fox.
I think it is for the fight against Sasuke something like a last approach from Itachi. He definitely wants to talk to Sasuke once more.