cash games

Playing some cash games. Sometimes even high limit players play horrible and suckout.
This guy calls a raise and bet with bottom pair, and hits runner runner straight on me.

PokerStars Game #1812794465: Hold'em No Limit ($3/$6) - 2005/06/01 - 19:02:51 (ET)
Table 'Retsina' Seat #9 is the button
Seat 2: SHANI ($576 in chips)
Seat 3: sekme ($618.70 in chips)
Seat 4: Sankronizer ($474.15 in chips)
Seat 5: DuyTheMaster ($1847.90 in chips)
Seat 6: glowingshark ($897.90 in chips)
Seat 7: MiracleFlop ($573.70 in chips)
Seat 8: Ckrad ($1158.35 in chips)
Seat 9: raisinu ($107.90 in chips)
SHANI: posts small blind $3
sekme: posts big blind $6
*** HOLE CARDS ***
Dealt to Ckrad [Jd Ah]
Sankronizer: folds
DuyTheMaster: folds
Sankronizer leaves the table
glowingshark: calls $6
MiracleFlop: calls $6
Ckrad: calls $6
GuessWhoBack joins the table at seat #4
raisinu: folds
SHANI: calls $3
sekme: raises $30 to $36
glowingshark: folds
MiracleFlop: calls $30
Ckrad: calls $30
SHANI: folds
*** FLOP *** [Jc 4h 6c]
sekme: checks
MiracleFlop: bets $42
Ckrad: raises $42 to $84
sekme: folds
MiracleFlop: calls $42
*** TURN *** [Jc 4h 6c] [7h]
MiracleFlop: checks
Ckrad: bets $84
MiracleFlop: calls $84
*** RIVER *** [Jc 4h 6c 7h] [3h]
SHANI leaves the table
MiracleFlop: bets $198
Ckrad: calls $198
*** SHOW DOWN ***
MiracleFlop: shows [4d 5s] (a straight, Three to Seven)
Ckrad: mucks hand
MiracleFlop collected $849 from pot
Ckrad said, "wat"
Ckrad said, "help"
*** SUMMARY ***
Total pot $852 | Rake $3
Board [Jc 4h 6c 7h 3h]
Seat 2: SHANI (small blind) folded before Flop
Seat 3: sekme (big blind) folded on the Flop
Seat 4: Sankronizer folded before Flop (didn't bet)
Seat 5: DuyTheMaster folded before Flop (didn't bet)
Seat 6: glowingshark folded before Flop
Seat 7: MiracleFlop showed [4d 5s] and won ($849) with a straight, Three to Seven
Seat 8: Ckrad mucked [Jd Ah]
Seat 9: raisinu (button) folded before Flop (didn't bet)