Table 'Cleveland' 6-max
Seat 1: P3($7.65 in chips)
Seat 2: P4 ($7.68 in chips)
Seat 3: P5 ($3.88 in chips)
Seat 4: Hero ($16.86 in chips)
Seat 6: P2 ($6.62 in chips)
P5: posts small blind $0.05
Hero: posts big blind $0.10
* HOLE CARDS
Dealt to Hero [8c 7c]
P2: folds
P3: folds
P4: raises $0.20 to $0.30
P5: folds
Hero: calls $0.20
FLOP [4c 9c Kc]
Hero: checks
P4: bets $0.30
Hero: calls $0.30
TURN [4c 9c Kc] [As]
Hero: checks
P4: bets $0.72
Hero: raises $1.68 to $2.40
P4: raises $4.68 to 7.08 and is all-in
Hero: calls $4.68
RIVER * [4c 9c Kc As] [8h]

I know I am never folding but my question is whats the best way to get the money in when you have a very powerful hand. Do you play it passively and let him hang himself or do play it aggressively?