Turbo probelm on 5sfte, car bogs out and then no boost Options

[xxFROZENxx]

hey guys i took my car out for a drive running boost 8-9psi.. my first gear was fine all the way to 6k. then when i changed into 2nd gear it got bog out at 5k and continued to 6k? then after on 3rd gear i notice in my boost guage i didnt make any more boost it felt slower that when the car was still NA.. all i had was -boost couldn't even pass or get to 1 psi... so stop the car turn off engine... and checked for any vacuum or piping leaks and didnt seem to find any.. then i took of the air filter and turn the engine on. the turbine wasn't spinning any more, but i can free spin with my fingers? is my turbo gone? i thouhgt when the turbo goes it makes a supersonic sound..

i ask one of my friend... he said that it could of been my boost gauge vacuum line that was leaking or could of been damage.. because when his vacuum line going into the boost gauge was damage.. his boost gauge did make any boost as well.. when he replace it it work fine again.... helps