10NL - AA shoves min-raise

[pena]

Poker Stars - No Limit Hold'em Cash Game - $0.05/$0.10 Blinds - 5 Players - (LegoPoker HH Converter)

SB: $17.75
BB: $2.35
UTG: $9.85
CO: $18.85
<font color="black">Hero (BTN): $9.90</font>

<font color="black">Preflop:</font> Hero is dealt A[img]/images/graemlins/heart.gif[/img] A[img]/images/graemlins/club.gif[/img] (5 Players)
UTG folds, <font color="red">CO raises to $0.30</font>, <font color="red">Hero raises to $1.00</font>, 2 folds, CO calls $0.70

<font color="black">Flop:</font> ($2.15) J[img]/images/graemlins/club.gif[/img] K[img]/images/graemlins/diamond.gif[/img] 4[img]/images/graemlins/spade.gif[/img] (2 Players)
CO checks, <font color="red">Hero bets $1.60</font>, <font color="red">CO raises to $3.20</font>, <font color="red">Hero raises all-in to $8.90</font>, CO calls $5.70

Is this standard against unknown?
Some would say "raise more pf". But how about post-flop play, would you shove after his min-raise?