Amazing beat by J3

K_2_All_In

I know this is freeroll, i'm trying to improve my tournament play. However i keep running into hands and playrs like this. This is happening to me very often. My question is other than watching 861 how can i improve my tournament play. Thanks.

Player	Action	Cards	Amount	Pot	Balance
K_2_All_In	Small blind		50.00	50.00	3850.00
geeann	Big blind		100.00	150.00	2205.00
	Your hole cards	A A
ally17	Call		100.00	250.00	2292.50
Nelly1605	Fold
battynatty	Raise		400.00	650.00	6857.50
KJS2505	Fold
K_2_All_In	Raise		1550.00	2200.00	2300.00
geeann	Fold
ally17	Fold
battynatty	Call		1200.00	3400.00	5657.50
Flop
		5 5 3
K_2_All_In	Check
battynatty	Bet		3400.00	6800.00	2257.50
K_2_All_In	All-in		2300.00	9100.00	0.00
battynatty	Unmatched bet		1100.00	8000.00	3357.50
K_2_All_In	Show	A A
battynatty	Show	J 3
Turn
		K
River
		3
battynatty	Win	Full House, 3s and 5s	8000.00		11357.50

Goosen

Avoid freerolls & you will improve no end