1/3 NLHE Hand Review - Just a Cooler?

Hero has $400 effective and opens to $15 in UTG+1 with AhKd. MP, CO, Button, BB all call.

Flop comes As5s2c. Hero leads out for $45. Only BB calls.

Turn comes (As5s2c)-Ac. Hero bets $80. BB calls.

River comes (As5s2cAc)-Qh. Hero bets $100 and BB shoves all in. I call and BB shows AQ, hit. 3 outer on the river.