Too paranoid?

[ZebraAss]

Lately I have been just jaming my chips down the throats of my opponents when I think they are totally full of crap. Am I too paranoid in thinking that they are bluffing a lot?

Party Poker No-Limit Hold'em Tourney, Big Blind is t30 (8 handed) converter (http://www.selachian.com/tools/bisonconverter/hhconverter.cgi)

MP2 (t860)
CO (t945)
Button (t2375)
Hero (t945)
BB (t2105)
UTG (t805)
UTG+1 (t795)
MP1 (t1170)

Preflop: Hero is SB with 9/images/graemlins/spade.gif, A/images/graemlins/spade.gif.
<font color="#666666">5 folds</font>, Button calls t30, Hero completes, BB checks.

Flop: (t90) 2/images/graemlins/heart.gif, A/images/graemlins/heart.gif, 5/images/graemlins/heart.gif <font color="#0000FF">(3 players)</font>
<font color="#CC3333">Hero bets t75</font>, BB calls t75, Button calls t75.

Turn: (t315) 5/images/graemlins/diamond.gif <font color="#0000FF">(3 players)</font>
Hero checks, <font color="#CC3333">BB bets t100</font>, Button calls t100, Hero calls t100.

River: (t615) 4/images/graemlins/diamond.gif <font color="#0000FF">(3 players)</font>
Hero checks, BB checks, <font color="#CC3333">Button bets t325</font>, Hero folds, BB folds.

Final Pot: t940

This one I decided to fold because I wasnt really interested in losing all my chips here.