In the diagram, rectangle PQRS has PS=6 and SR=3. Point U is on QR with QU=2. Point T is on PS with \angle{TUR}=90^\circ. What is the length of TR?

Answer Choices
A. 3
B. 4
C. 5
D. 6
E. 7
In the diagram, rectangle PQRS has PS=6 and SR=3. Point U is on QR with QU=2. Point T is on PS with \angle{TUR}=90^\circ. What is the length of TR?
Answer Choices
A. 3
B. 4
C. 5
D. 6
E. 7