quick checkup, subtle, possibly dumb

[CamelZoo]

ftp 2/4 6 max

sb $950+: decent enough that i haven't tried to tangle with him, has not gone to showdown with anything out of line
bb (me) $850: mixing it up
utg shorty $85: typical

utg minraises, 2 callers to sb who calls, i call in BB with ATo

flop $50 AA7 two [img]/images/graemlins/diamond.gif[/img]

check, i check, shorty makes it 32, folded to sb who makes it 137, i?