QR will lead you faster to the LH seat (if absolutely nothing goes wrong while you occupy the RH seat) and Dubai will provide you with better lifestyle (will also spend more of your money), but both will probably make you resent becoming a pilot, this region put in check the love you have for your job up to the last drop. Since you are already unhappy with your current job just choose either one and make some money, be wise and save it so in a near future you can leave this place with enough money to be the master of your own choices in life, meaning you can work for whoever you want.
Good luck.