Long-term, any US legacy (and some non-legacy US majors) will provide better pay and QOL than almost any other aviation job in the world. And they should be hiring for many years. There are more than a few foriegn pilots who would kill for that greencard right now...
Also do you want to live in Dubai for the rest of your career?
Your age matters too, the younger you are, I think the more it favors the US.