3 hands, 3 questions.

[silencio]

Villain is LAG. Is this a fold against a LAG as well ?

Party Poker 0.50/1 Hold'em (9 handed) HandConverter Link

Preflop: Hero is MP3 with A[img]/images/graemlins/heart.gif[/img], J[img]/images/graemlins/club.gif[/img].
<font color="#666666">1 fold</font>, UTG+1 calls, MP1 calls, <font color="#666666">1 fold</font>, <font color="#CC3333">Hero raises</font>, <font color="#666666">1 fold</font>, Button calls, <font color="#666666">1 fold</font>, BB calls, UTG+1 calls, MP1 calls.

Flop: (10.50 SB) K[img]/images/graemlins/diamond.gif[/img], 4[img]/images/graemlins/diamond.gif[/img], T[img]/images/graemlins/heart.gif[/img] <font color="#0000FF">(5 players)</font>
BB checks, UTG+1 checks, MP1 checks, <font color="#CC3333">Hero bets</font>, <font color="#CC3333">Button raises</font>, BB folds, UTG+1 folds, MP1 folds, Hero calls.

Turn: (7.25 BB) 6[img]/images/graemlins/heart.gif[/img] <font color="#0000FF">(2 players)</font>
Hero checks, <font color="#CC3333">Button bets</font>, Hero...

Hand 2: Villain is unknown

Is it ok to wait for the river to start raising ? Should I cap or not ?

Party Poker 0.50/1 Hold'em (10 handed) HandConverter Link

Preflop: Hero is Button with A[img]/images/graemlins/heart.gif[/img], Q[img]/images/graemlins/club.gif[/img].
<font color="#666666">1 fold</font>, UTG+1 calls, <font color="#666666">2 folds</font>, MP2 calls, <font color="#666666">2 folds</font>, <font color="#CC3333">Hero raises</font>, SB calls, <font color="#666666">1 fold</font>, UTG+1 calls, MP2 calls.

Flop: (9 SB) K[img]/images/graemlins/spade.gif[/img], T[img]/images/graemlins/heart.gif[/img], K[img]/images/graemlins/club.gif[/img] <font color="#0000FF">(4 players)</font>
<font color="#CC3333">SB bets</font>, UTG+1 calls, MP2 folds, Hero calls.

Turn: (6 BB) J[img]/images/graemlins/club.gif[/img] <font color="#0000FF">(3 players)</font>
SB checks, <font color="#CC3333">UTG+1 bets</font>, Hero calls, SB folds.

River: (8 BB) 8[img]/images/graemlins/spade.gif[/img] <font color="#0000FF">(2 players)</font>
<font color="#CC3333">UTG+1 bets</font>, <font color="#CC3333">Hero raises</font>, <font color="#CC3333">UTG+1 3-bets</font>, <font color="#CC3333">Hero caps</font>, UTG+1 calls.

Final Pot: 16 BB

Hand 3: is that a good fold or a bad fold ? I think that maybe I should have bet\folded the river

Villain is the same unknown for hand 2 (this hand was played before hand 2)

Party Poker 0.50/1 Hold'em (10 handed) HandConverter Link

Preflop: Hero is UTG with J[img]/images/graemlins/club.gif[/img], A[img]/images/graemlins/diamond.gif[/img].
Hero calls, <font color="#666666">3 folds</font>, MP2 calls, <font color="#666666">4 folds</font>, BB checks.

Flop: (3.50 SB) 9[img]/images/graemlins/club.gif[/img], 8[img]/images/graemlins/heart.gif[/img], 6[img]/images/graemlins/heart.gif[/img] <font color="#0000FF">(3 players)</font>
BB checks, <font color="#CC3333">Hero bets</font>, MP2 calls, BB folds.

Turn: (2.75 BB) J[img]/images/graemlins/heart.gif[/img] <font color="#0000FF">(2 players)</font>
<font color="#CC3333">Hero bets</font>, MP2 calls.

River: (4.75 BB) Q[img]/images/graemlins/spade.gif[/img] <font color="#0000FF">(2 players)</font>
Hero checks, <font color="#CC3333">MP2 bets</font>, Hero folds.

Final Pot: 5.75 BB